Prusa Pro HT90: Everything You Need to Know

Prusa Pro HT90

Prusa Pro HT90: an industrial-grade FFF 3D printer from Prusa Research, designed for high-temperature applications with superior precision and versatility.

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With the Prusa Pro HT90, Prusa Research expands its foray into professional 3D printing territory. This model is designed with an industrial mindset, focusing on reliability, robustness, and the ability to handle high-performance materials. It is tailored for users who work with demanding applications, such as aerospace, automotive, engineering, and rapid prototyping where material properties are crucial. The Pro HT90 is a testament to Prusa Research’s commitment to providing a comprehensive range of printers capable of meeting and exceeding the expectations of various market segments.

This blog will dissect the Prusa Pro HT90, emphasizing its strengths and where it stands among its siblings within the Prusa Research lineup. Whether you are a seasoned professional or a business looking to integrate additive manufacturing into the workflow, understanding the Prusa Pro HT90’s offerings will establish its value proposition.

About the Printer and Brand

The Czech Republic-based Prusa Research collaborates with TRILAB for the Prusa Pro HT90, showcasing a 3D printer built with industrial-grade components to ensure longevity and consistent performance under rigorous use. Its Delta motion system, accompanied by an actively heated build chamber capable of reaching temperatures up to 90°C, makes it suited for advanced thermoplastics that require stringent temperature conditions for optimal printing.

The Prusa Pro HT90 sets itself apart with features like advanced air filtration and an enclosed build environment, enabling the safe and reliable printing of materials often considered challenging, such as PEEK and PEI. The printer’s design focuses on delivering high-quality parts while minimizing printing errors and material waste, echoing the company’s mission to refine and push the limits of 3D printing technology.

Prusa Pro HT90
#Prusa Pro HT90

Printer Comparison

PrinterTechnologyMotion SystemBuild Chamber EnclosureAir FiltrationBuild Volume [mm]
Original Prusa MK4FFFCartesianOpenNo250 x 210 x 220
Original Prusa i3 MK3S+FFFCartesianOpenNo250 x 210 x 210
Original Prusa SL1S SPEEDMSLANAEnclosedNo127 x 80 x 150
Original Prusa MINI+FFFCartesianOpenNo180 x 180 x 180
Original Prusa XLFFFCartesian (CoreXY)OpenNo360 x 360 x 360
TRILAB AzteQ IndustrialFFFDeltaEnclosedNo300 x 400
TRILAB DeltiQ 2 PlusFFFDeltaOpenNo250 x 500
Prusa Pro HT90FFFDeltaEnclosedYes300 x 400

The Prusa Pro HT90 differentiates itself with a focus on high-temperature and engineering-grade materials, facilitated by its temperature-regulated enclosed chamber and air filtration system. It strives to be the solution within the Prusa Research offerings that caters to the highest performance requirements found in professional and industrial applications.

The Spec Sheet

PrinterPrusa Pro HT90
BrandPrusa Research
CountryCzech Republic
LinkPrusa Pro HT90
Feedstock FormatFilament
Build Volume [L]28.00
W [mm]NA (Circular Build Plate Diameter)
D [mm]300
H [mm]400
Layer Height Min [mm]0.05
Layer Height Max [mm]0.3
Build ChamberEnclosed
Actively Heated Build Chamber Temperature [°C]90
Air FiltrationYes
Motion SystemDelta
Max Hot End Temperature [°C]500
Max Build Plate Temperature [°C]155
Automated Buildplate CalibrationYes
Multi Material CapabilitiesNo

Filaments Possible to Print

Filaments Possible but Not Recommended

Given the Prusa Pro HT90’s capabilities, there is no list of materials that are “possible but not recommended,” as it is designed to handle a wide array of demanding filament types successfully.


What makes the Prusa Pro HT90 suitable for industrial applications?

Its capability to print with high-temperature and engineering-grade materials, coupled with an actively heated chamber and air filtration, make it ideal for industrial applications.

Does the Prusa Pro HT90 have an open or enclosed build chamber?

The Prusa Pro HT90 has an enclosed build chamber, optimizing the environment for the printing of challenging materials.

What is the maximum hotend temperature of the Prusa Pro HT90?

The hotend of the Prusa Pro HT90 can reach up to 500°C, enabling it to process a vast range of high-performance plastics.

Can the Prusa Pro HT90 print materials like PEEK and PEI?

Yes, the printer is designed to handle advanced plastics such as PEEK and PEI, thanks to its high-temperature hotend and heated chamber.

How does the Delta motion system benefit the Prusa Pro HT90?

The Delta motion system on the Prusa Pro HT90 allows for faster print speeds, smoother movements, and overall increased print efficiency, which is advantageous for professional and industrial prints.

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